Struct AVPictureType

#[repr(transparent)]
pub struct AVPictureType(pub i32);

Picture types used in FFmpeg’s AVPictureType.

Picture types define the role of a frame within a video compression scheme.

See the official FFmpeg documentation: https://ffmpeg.org/doxygen/trunk/avutil_8h.html

Tuple Fields

0: i32

Implementations

impl AVPictureType

pub const None: Self

Undefined or unknown picture type.

• Used for: Uninitialized or unspecified frames.
• Equivalent to: AV_PICTURE_TYPE_NONE

pub const Intra: Self

Intra-frame (I-frame): A self-contained frame that does not reference others.

• Used for: Keyframes in compressed video.
• Efficient for: Random access (seeking).
• Equivalent to: AV_PICTURE_TYPE_I

pub const Predicted: Self

Predicted frame (P-frame): Encodes differences relative to previous frames.

• Used for: Intermediate frames in video compression.
• Smaller than I-frames but requires previous frames for decoding.
• Equivalent to: AV_PICTURE_TYPE_P

pub const BiPredicted: Self

Bi-directional predicted frame (B-frame): Uses both past and future frames for prediction.

• Used for: High compression efficiency in video encoding.
• Requires both previous and future frames for decoding.
• Equivalent to: AV_PICTURE_TYPE_B

pub const SpriteGmc: Self

Sprite (S-GMC) VOP in MPEG-4.

• Used for: Global motion compensation (GMC) in older MPEG-4 video.
• Equivalent to: AV_PICTURE_TYPE_S

pub const SwitchingIntra: Self

Switching Intra-frame (SI-frame): A special type of I-frame.

• Used for: Scalable video coding, ensuring smooth transitions.
• Equivalent to: AV_PICTURE_TYPE_SI

pub const SwitchingPredicted: Self

Switching Predicted frame (SP-frame): A special type of P-frame.

• Used for: Scalable video coding, allowing switching between streams.
• Equivalent to: AV_PICTURE_TYPE_SP

pub const BiType: Self

BI type frame: Similar to a B-frame but has additional constraints.

• Used for: Certain video codecs with different motion compensation.
• Equivalent to: AV_PICTURE_TYPE_BI

Trait Implementations

impl Clone for AVPictureType

fn clone(&self) -> AVPictureType

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AVPictureType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<AVPictureType> for i32

fn from(value: AVPictureType) -> Self

Converts to this type from the input type.

impl From<AVPictureType> for u32

fn from(value: AVPictureType) -> Self

Converts to this type from the input type.

impl From<i32> for AVPictureType

fn from(value: i32) -> Self

Converts to this type from the input type.

impl From<u32> for AVPictureType

fn from(value: u32) -> Self

Converts to this type from the input type.

impl Hash for AVPictureType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for AVPictureType

fn cmp(&self, other: &AVPictureType) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq<i32> for AVPictureType

fn eq(&self, other: &i32) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for AVPictureType

fn eq(&self, other: &AVPictureType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for AVPictureType

fn partial_cmp(&self, other: &AVPictureType) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for AVPictureType

impl Eq for AVPictureType

impl StructuralPartialEq for AVPictureType